Nihonmatsu clan

Mutsu-Hatakeyama held Nihonmatsu Castle saw its power gradually diminish over the course of the Sengoku period, becoming vassals of the Ashina clan. The Mutsu-Hatakeyama

between the Date clan and their traditional rivals the Nihonmatsu clan. The Nihonmatsu allied with the Sōma, Satake, Nikaido, and Ashina clans. The allies

Nihonmatsu Yoshikuni. He was the 14th head of the Nihonmatsu clan (a branch of the Hatakeyama clan) of Mutsu. In 1568, Yoshitsugu was attacked by Date

became the head of the Date clan in 1584, two years after the death of Oda Nobunaga, destroyed the Nihonmatsu clan and other clans, and then in 1589, at the

the Niwa clan. The Nihonmatsu Domain was also the scene of a major battle of the Boshin War of the Meiji Restoration. The area around Nihonmatsu was territory